Home / 8,243.04-11,368.76-7,246.20

Finding the Fourth Proportional to 8,243.04, 11,368.76 and 7,246.20

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Solution

The fourth proportional to 8,243.04, 11,368.76 and 7,246.20 is: 9,993.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,243.04 : 11,368.76 = 7,246.20 : x
  2. Step 2: Convert to fraction form
    8,243.04/11,368.76 = 7,246.20/x
  3. Step 3: Cross multiply
    8,243.04x = 11,368.76 × 7,246.20
  4. Step 4: Simplify right side
    8,243.04x = 82,380,308.71
  5. Step 5: Solve for x
    x = 82,380,308.71/8,243.04
  6. Step 6: Final answer
    x = 9,993.92

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.